[
{
    "model": "customers.customer",
    "pk": 1,
    "fields": {
        "lead": 5,
        "ads": 1,
        "contract": 1,
        "comment": "важная информация"
    }
},
{
    "model": "customers.customer",
    "pk": 3,
    "fields": {
        "lead": 1,
        "ads": 1,
        "contract": 3,
        "comment": ""
    }
},
{
    "model": "customers.customer",
    "pk": 4,
    "fields": {
        "lead": 7,
        "ads": 2,
        "contract": 4,
        "comment": "Отлично"
    }
}
]
